1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2015 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 8 * * 9 * This program is free software; you can redistribute it and/or * 10 * modify it under the terms of version 2 of the GNU General * 11 * Public License as published by the Free Software Foundation. * 12 * This program is distributed in the hope that it will be useful. * 13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 17 * TO BE LEGALLY INVALID. See the GNU General Public License for * 18 * more details, a copy of which can be found in the file COPYING * 19 * included with this package. * 20 *******************************************************************/ 21 22 #include <scsi/scsi_host.h> 23 24 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) 25 #define CONFIG_SCSI_LPFC_DEBUG_FS 26 #endif 27 28 struct lpfc_sli2_slim; 29 30 #define ELX_MODEL_NAME_SIZE 80 31 32 #define LPFC_PCI_DEV_LP 0x1 33 #define LPFC_PCI_DEV_OC 0x2 34 35 #define LPFC_SLI_REV2 2 36 #define LPFC_SLI_REV3 3 37 #define LPFC_SLI_REV4 4 38 39 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ 40 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els 41 requests */ 42 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact 43 the NameServer before giving up. */ 44 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ 45 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ 46 #define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi 47 cmnd for menlo needs nearly twice as for firmware 48 downloads using bsg */ 49 50 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */ 51 #define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */ 52 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */ 53 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */ 54 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */ 55 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */ 56 57 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */ 58 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ 59 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ 60 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ 61 #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt 62 queue depth change in millisecs */ 63 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ 64 #define LPFC_MIN_TGT_QDEPTH 10 65 #define LPFC_MAX_TGT_QDEPTH 0xFFFF 66 67 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data 68 collection. */ 69 /* 70 * Following time intervals are used of adjusting SCSI device 71 * queue depths when there are driver resource error or Firmware 72 * resource error. 73 */ 74 /* 1 Second */ 75 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1)) 76 77 /* Number of exchanges reserved for discovery to complete */ 78 #define LPFC_DISC_IOCB_BUFF_COUNT 20 79 80 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ 81 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ 82 83 #define LPFC_LOOK_AHEAD_OFF 0 /* Look ahead logic is turned off */ 84 85 /* Error Attention event polling interval */ 86 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ 87 88 /* Define macros for 64 bit support */ 89 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) 90 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) 91 #define getPaddr(high, low) ((dma_addr_t)( \ 92 (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) 93 /* Provide maximum configuration definitions. */ 94 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ 95 #define FC_MAX_ADPTMSG 64 96 97 #define MAX_HBAEVT 32 98 99 /* Number of MSI-X vectors the driver uses */ 100 #define LPFC_MSIX_VECTORS 2 101 102 /* lpfc wait event data ready flag */ 103 #define LPFC_DATA_READY (1<<0) 104 105 /* queue dump line buffer size */ 106 #define LPFC_LBUF_SZ 128 107 108 /* mailbox system shutdown options */ 109 #define LPFC_MBX_NO_WAIT 0 110 #define LPFC_MBX_WAIT 1 111 112 enum lpfc_polling_flags { 113 ENABLE_FCP_RING_POLLING = 0x1, 114 DISABLE_FCP_RING_INT = 0x2 115 }; 116 117 /* Provide DMA memory definitions the driver uses per port instance. */ 118 struct lpfc_dmabuf { 119 struct list_head list; 120 void *virt; /* virtual address ptr */ 121 dma_addr_t phys; /* mapped address */ 122 uint32_t buffer_tag; /* used for tagged queue ring */ 123 }; 124 125 struct lpfc_dma_pool { 126 struct lpfc_dmabuf *elements; 127 uint32_t max_count; 128 uint32_t current_count; 129 }; 130 131 struct hbq_dmabuf { 132 struct lpfc_dmabuf hbuf; 133 struct lpfc_dmabuf dbuf; 134 uint32_t size; 135 uint32_t tag; 136 struct lpfc_cq_event cq_event; 137 unsigned long time_stamp; 138 }; 139 140 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ 141 #define MEM_PRI 0x100 142 143 144 /****************************************************************************/ 145 /* Device VPD save area */ 146 /****************************************************************************/ 147 typedef struct lpfc_vpd { 148 uint32_t status; /* vpd status value */ 149 uint32_t length; /* number of bytes actually returned */ 150 struct { 151 uint32_t rsvd1; /* Revision numbers */ 152 uint32_t biuRev; 153 uint32_t smRev; 154 uint32_t smFwRev; 155 uint32_t endecRev; 156 uint16_t rBit; 157 uint8_t fcphHigh; 158 uint8_t fcphLow; 159 uint8_t feaLevelHigh; 160 uint8_t feaLevelLow; 161 uint32_t postKernRev; 162 uint32_t opFwRev; 163 uint8_t opFwName[16]; 164 uint32_t sli1FwRev; 165 uint8_t sli1FwName[16]; 166 uint32_t sli2FwRev; 167 uint8_t sli2FwName[16]; 168 } rev; 169 struct { 170 #ifdef __BIG_ENDIAN_BITFIELD 171 uint32_t rsvd3 :19; /* Reserved */ 172 uint32_t cdss : 1; /* Configure Data Security SLI */ 173 uint32_t rsvd2 : 3; /* Reserved */ 174 uint32_t cbg : 1; /* Configure BlockGuard */ 175 uint32_t cmv : 1; /* Configure Max VPIs */ 176 uint32_t ccrp : 1; /* Config Command Ring Polling */ 177 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 178 uint32_t chbs : 1; /* Cofigure Host Backing store */ 179 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 180 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 181 uint32_t cmx : 1; /* Configure Max XRIs */ 182 uint32_t cmr : 1; /* Configure Max RPIs */ 183 #else /* __LITTLE_ENDIAN */ 184 uint32_t cmr : 1; /* Configure Max RPIs */ 185 uint32_t cmx : 1; /* Configure Max XRIs */ 186 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 187 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 188 uint32_t chbs : 1; /* Cofigure Host Backing store */ 189 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 190 uint32_t ccrp : 1; /* Config Command Ring Polling */ 191 uint32_t cmv : 1; /* Configure Max VPIs */ 192 uint32_t cbg : 1; /* Configure BlockGuard */ 193 uint32_t rsvd2 : 3; /* Reserved */ 194 uint32_t cdss : 1; /* Configure Data Security SLI */ 195 uint32_t rsvd3 :19; /* Reserved */ 196 #endif 197 } sli3Feat; 198 } lpfc_vpd_t; 199 200 struct lpfc_scsi_buf; 201 202 203 /* 204 * lpfc stat counters 205 */ 206 struct lpfc_stats { 207 /* Statistics for ELS commands */ 208 uint32_t elsLogiCol; 209 uint32_t elsRetryExceeded; 210 uint32_t elsXmitRetry; 211 uint32_t elsDelayRetry; 212 uint32_t elsRcvDrop; 213 uint32_t elsRcvFrame; 214 uint32_t elsRcvRSCN; 215 uint32_t elsRcvRNID; 216 uint32_t elsRcvFARP; 217 uint32_t elsRcvFARPR; 218 uint32_t elsRcvFLOGI; 219 uint32_t elsRcvPLOGI; 220 uint32_t elsRcvADISC; 221 uint32_t elsRcvPDISC; 222 uint32_t elsRcvFAN; 223 uint32_t elsRcvLOGO; 224 uint32_t elsRcvPRLO; 225 uint32_t elsRcvPRLI; 226 uint32_t elsRcvLIRR; 227 uint32_t elsRcvRLS; 228 uint32_t elsRcvRPS; 229 uint32_t elsRcvRPL; 230 uint32_t elsRcvRRQ; 231 uint32_t elsRcvRTV; 232 uint32_t elsRcvECHO; 233 uint32_t elsXmitFLOGI; 234 uint32_t elsXmitFDISC; 235 uint32_t elsXmitPLOGI; 236 uint32_t elsXmitPRLI; 237 uint32_t elsXmitADISC; 238 uint32_t elsXmitLOGO; 239 uint32_t elsXmitSCR; 240 uint32_t elsXmitRNID; 241 uint32_t elsXmitFARP; 242 uint32_t elsXmitFARPR; 243 uint32_t elsXmitACC; 244 uint32_t elsXmitLSRJT; 245 246 uint32_t frameRcvBcast; 247 uint32_t frameRcvMulti; 248 uint32_t strayXmitCmpl; 249 uint32_t frameXmitDelay; 250 uint32_t xriCmdCmpl; 251 uint32_t xriStatErr; 252 uint32_t LinkUp; 253 uint32_t LinkDown; 254 uint32_t LinkMultiEvent; 255 uint32_t NoRcvBuf; 256 uint32_t fcpCmd; 257 uint32_t fcpCmpl; 258 uint32_t fcpRspErr; 259 uint32_t fcpRemoteStop; 260 uint32_t fcpPortRjt; 261 uint32_t fcpPortBusy; 262 uint32_t fcpError; 263 uint32_t fcpLocalErr; 264 }; 265 266 struct lpfc_hba; 267 268 269 enum discovery_state { 270 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 271 LPFC_VPORT_FAILED = 1, /* vport has failed */ 272 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 273 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 274 LPFC_FDISC = 8, /* FDISC sent for vport */ 275 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 276 * configured */ 277 LPFC_NS_REG = 10, /* Register with NameServer */ 278 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 279 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 280 * device authentication / discovery */ 281 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 282 LPFC_VPORT_READY = 32, 283 }; 284 285 enum hba_state { 286 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 287 LPFC_WARM_START = 1, /* HBA state after selective reset */ 288 LPFC_INIT_START = 2, /* Initial state after board reset */ 289 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 290 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 291 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 292 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 293 * CLEAR_LA */ 294 LPFC_HBA_READY = 32, 295 LPFC_HBA_ERROR = -1 296 }; 297 298 struct lpfc_vport { 299 struct lpfc_hba *phba; 300 struct list_head listentry; 301 uint8_t port_type; 302 #define LPFC_PHYSICAL_PORT 1 303 #define LPFC_NPIV_PORT 2 304 #define LPFC_FABRIC_PORT 3 305 enum discovery_state port_state; 306 307 uint16_t vpi; 308 uint16_t vfi; 309 uint8_t vpi_state; 310 #define LPFC_VPI_REGISTERED 0x1 311 312 uint32_t fc_flag; /* FC flags */ 313 /* Several of these flags are HBA centric and should be moved to 314 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 315 */ 316 #define FC_PT2PT 0x1 /* pt2pt with no fabric */ 317 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ 318 #define FC_DISC_TMO 0x4 /* Discovery timer running */ 319 #define FC_PUBLIC_LOOP 0x8 /* Public loop */ 320 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ 321 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ 322 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ 323 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ 324 #define FC_FABRIC 0x100 /* We are fabric attached */ 325 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */ 326 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ 327 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/ 328 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ 329 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ 330 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ 331 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ 332 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ 333 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ 334 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */ 335 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */ 336 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */ 337 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */ 338 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */ 339 340 uint32_t ct_flags; 341 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 342 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 343 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 344 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 345 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 346 347 struct list_head fc_nodes; 348 349 /* Keep counters for the number of entries in each list. */ 350 uint16_t fc_plogi_cnt; 351 uint16_t fc_adisc_cnt; 352 uint16_t fc_reglogin_cnt; 353 uint16_t fc_prli_cnt; 354 uint16_t fc_unmap_cnt; 355 uint16_t fc_map_cnt; 356 uint16_t fc_npr_cnt; 357 uint16_t fc_unused_cnt; 358 struct serv_parm fc_sparam; /* buffer for our service parameters */ 359 360 uint32_t fc_myDID; /* fibre channel S_ID */ 361 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 362 struct lpfc_name fabric_portname; 363 struct lpfc_name fabric_nodename; 364 365 int32_t stopped; /* HBA has not been restarted since last ERATT */ 366 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 367 368 uint32_t num_disc_nodes; /*in addition to hba_state */ 369 370 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 371 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 372 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 373 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 374 struct lpfc_name fc_nodename; /* fc nodename */ 375 struct lpfc_name fc_portname; /* fc portname */ 376 377 struct lpfc_work_evt disc_timeout_evt; 378 379 struct timer_list fc_disctmo; /* Discovery rescue timer */ 380 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 381 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 382 383 spinlock_t work_port_lock; 384 uint32_t work_port_events; /* Timeout to be handled */ 385 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 386 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 387 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ 388 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */ 389 390 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 391 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 392 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 393 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 394 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 395 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ 396 397 struct timer_list fc_fdmitmo; 398 struct timer_list els_tmofunc; 399 struct timer_list delayed_disc_tmo; 400 401 int unreg_vpi_cmpl; 402 403 uint8_t load_flag; 404 #define FC_LOADING 0x1 /* HBA in process of loading drvr */ 405 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ 406 /* Vport Config Parameters */ 407 uint32_t cfg_scan_down; 408 uint32_t cfg_lun_queue_depth; 409 uint32_t cfg_nodev_tmo; 410 uint32_t cfg_devloss_tmo; 411 uint32_t cfg_restrict_login; 412 uint32_t cfg_peer_port_login; 413 uint32_t cfg_fcp_class; 414 uint32_t cfg_use_adisc; 415 uint32_t cfg_fdmi_on; 416 #define LPFC_FDMI_SUPPORT 1 /* bit 0 - FDMI supported? */ 417 #define LPFC_FDMI_REG_DELAY 2 /* bit 1 - 60 sec registration delay */ 418 #define LPFC_FDMI_ALL_ATTRIB 4 /* bit 2 - register ALL attributes? */ 419 uint32_t cfg_discovery_threads; 420 uint32_t cfg_log_verbose; 421 uint32_t cfg_max_luns; 422 uint32_t cfg_enable_da_id; 423 uint32_t cfg_max_scsicmpl_time; 424 uint32_t cfg_tgt_queue_depth; 425 uint32_t cfg_first_burst_size; 426 427 uint32_t dev_loss_tmo_changed; 428 429 struct fc_vport *fc_vport; 430 431 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 432 struct dentry *debug_disc_trc; 433 struct dentry *debug_nodelist; 434 struct dentry *vport_debugfs_root; 435 struct lpfc_debugfs_trc *disc_trc; 436 atomic_t disc_trc_cnt; 437 #endif 438 uint8_t stat_data_enabled; 439 uint8_t stat_data_blocked; 440 struct list_head rcv_buffer_list; 441 unsigned long rcv_buffer_time_stamp; 442 uint32_t vport_flag; 443 #define STATIC_VPORT 1 444 }; 445 446 struct hbq_s { 447 uint16_t entry_count; /* Current number of HBQ slots */ 448 uint16_t buffer_count; /* Current number of buffers posted */ 449 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 450 uint32_t hbqPutIdx; /* HBQ slot to use */ 451 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 452 void *hbq_virt; /* Virtual ptr to this hbq */ 453 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 454 /* Callback for HBQ buffer allocation */ 455 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 456 /* Callback for HBQ buffer free */ 457 void (*hbq_free_buffer) (struct lpfc_hba *, 458 struct hbq_dmabuf *); 459 }; 460 461 #define LPFC_MAX_HBQS 4 462 /* this matches the position in the lpfc_hbq_defs array */ 463 #define LPFC_ELS_HBQ 0 464 #define LPFC_EXTRA_HBQ 1 465 466 enum hba_temp_state { 467 HBA_NORMAL_TEMP, 468 HBA_OVER_TEMP 469 }; 470 471 enum intr_type_t { 472 NONE = 0, 473 INTx, 474 MSI, 475 MSIX, 476 }; 477 478 #define LPFC_CT_CTX_MAX 64 479 struct unsol_rcv_ct_ctx { 480 uint32_t ctxt_id; 481 uint32_t SID; 482 uint32_t valid; 483 #define UNSOL_INVALID 0 484 #define UNSOL_VALID 1 485 uint16_t oxid; 486 uint16_t rxid; 487 }; 488 489 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/ 490 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */ 491 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */ 492 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */ 493 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */ 494 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */ 495 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */ 496 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_16G 497 #define LPFC_USER_LINK_SPEED_BITMAP ((1 << LPFC_USER_LINK_SPEED_16G) | \ 498 (1 << LPFC_USER_LINK_SPEED_10G) | \ 499 (1 << LPFC_USER_LINK_SPEED_8G) | \ 500 (1 << LPFC_USER_LINK_SPEED_4G) | \ 501 (1 << LPFC_USER_LINK_SPEED_2G) | \ 502 (1 << LPFC_USER_LINK_SPEED_1G) | \ 503 (1 << LPFC_USER_LINK_SPEED_AUTO)) 504 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16" 505 506 enum nemb_type { 507 nemb_mse = 1, 508 nemb_hbd 509 }; 510 511 enum mbox_type { 512 mbox_rd = 1, 513 mbox_wr 514 }; 515 516 enum dma_type { 517 dma_mbox = 1, 518 dma_ebuf 519 }; 520 521 enum sta_type { 522 sta_pre_addr = 1, 523 sta_pos_addr 524 }; 525 526 struct lpfc_mbox_ext_buf_ctx { 527 uint32_t state; 528 #define LPFC_BSG_MBOX_IDLE 0 529 #define LPFC_BSG_MBOX_HOST 1 530 #define LPFC_BSG_MBOX_PORT 2 531 #define LPFC_BSG_MBOX_DONE 3 532 #define LPFC_BSG_MBOX_ABTS 4 533 enum nemb_type nembType; 534 enum mbox_type mboxType; 535 uint32_t numBuf; 536 uint32_t mbxTag; 537 uint32_t seqNum; 538 struct lpfc_dmabuf *mbx_dmabuf; 539 struct list_head ext_dmabuf_list; 540 }; 541 542 struct lpfc_hba { 543 /* SCSI interface function jump table entries */ 544 int (*lpfc_new_scsi_buf) 545 (struct lpfc_vport *, int); 546 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf) 547 (struct lpfc_hba *, struct lpfc_nodelist *); 548 int (*lpfc_scsi_prep_dma_buf) 549 (struct lpfc_hba *, struct lpfc_scsi_buf *); 550 void (*lpfc_scsi_unprep_dma_buf) 551 (struct lpfc_hba *, struct lpfc_scsi_buf *); 552 void (*lpfc_release_scsi_buf) 553 (struct lpfc_hba *, struct lpfc_scsi_buf *); 554 void (*lpfc_rampdown_queue_depth) 555 (struct lpfc_hba *); 556 void (*lpfc_scsi_prep_cmnd) 557 (struct lpfc_vport *, struct lpfc_scsi_buf *, 558 struct lpfc_nodelist *); 559 560 /* IOCB interface function jump table entries */ 561 int (*__lpfc_sli_issue_iocb) 562 (struct lpfc_hba *, uint32_t, 563 struct lpfc_iocbq *, uint32_t); 564 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, 565 struct lpfc_iocbq *); 566 int (*lpfc_hba_down_post)(struct lpfc_hba *phba); 567 IOCB_t * (*lpfc_get_iocb_from_iocbq) 568 (struct lpfc_iocbq *); 569 void (*lpfc_scsi_cmd_iocb_cmpl) 570 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); 571 572 /* MBOX interface function jump table entries */ 573 int (*lpfc_sli_issue_mbox) 574 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 575 576 /* Slow-path IOCB process function jump table entries */ 577 void (*lpfc_sli_handle_slow_ring_event) 578 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 579 uint32_t mask); 580 581 /* INIT device interface function jump table entries */ 582 int (*lpfc_sli_hbq_to_firmware) 583 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); 584 int (*lpfc_sli_brdrestart) 585 (struct lpfc_hba *); 586 int (*lpfc_sli_brdready) 587 (struct lpfc_hba *, uint32_t); 588 void (*lpfc_handle_eratt) 589 (struct lpfc_hba *); 590 void (*lpfc_stop_port) 591 (struct lpfc_hba *); 592 int (*lpfc_hba_init_link) 593 (struct lpfc_hba *, uint32_t); 594 int (*lpfc_hba_down_link) 595 (struct lpfc_hba *, uint32_t); 596 int (*lpfc_selective_reset) 597 (struct lpfc_hba *); 598 599 int (*lpfc_bg_scsi_prep_dma_buf) 600 (struct lpfc_hba *, struct lpfc_scsi_buf *); 601 /* Add new entries here */ 602 603 /* SLI4 specific HBA data structure */ 604 struct lpfc_sli4_hba sli4_hba; 605 606 struct lpfc_sli sli; 607 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ 608 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ 609 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 610 #define LPFC_SLI3_HBQ_ENABLED 0x01 611 #define LPFC_SLI3_NPIV_ENABLED 0x02 612 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 613 #define LPFC_SLI3_CRP_ENABLED 0x08 614 #define LPFC_SLI3_BG_ENABLED 0x20 615 #define LPFC_SLI3_DSS_ENABLED 0x40 616 #define LPFC_SLI4_PERFH_ENABLED 0x80 617 #define LPFC_SLI4_PHWQ_ENABLED 0x100 618 uint32_t iocb_cmd_size; 619 uint32_t iocb_rsp_size; 620 621 enum hba_state link_state; 622 uint32_t link_flag; /* link state flags */ 623 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 624 /* This flag is set while issuing */ 625 /* INIT_LINK mailbox command */ 626 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 627 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 628 629 uint32_t hba_flag; /* hba generic flags */ 630 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ 631 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */ 632 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */ 633 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/ 634 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */ 635 #define FCP_XRI_ABORT_EVENT 0x20 636 #define ELS_XRI_ABORT_EVENT 0x40 637 #define ASYNC_EVENT 0x80 638 #define LINK_DISABLED 0x100 /* Link disabled by user */ 639 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */ 640 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */ 641 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */ 642 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */ 643 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */ 644 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */ 645 #define HBA_FCP_IOQ_FLUSH 0x8000 /* FCP I/O queues being flushed */ 646 #define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */ 647 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ 648 struct lpfc_dmabuf slim2p; 649 650 MAILBOX_t *mbox; 651 uint32_t *mbox_ext; 652 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx; 653 uint32_t ha_copy; 654 struct _PCB *pcb; 655 struct _IOCB *IOCBs; 656 657 struct lpfc_dmabuf hbqslimp; 658 659 uint16_t pci_cfg_value; 660 661 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 662 663 uint32_t fc_eventTag; /* event tag for link attention */ 664 uint32_t link_events; 665 666 /* These fields used to be binfo */ 667 uint32_t fc_pref_DID; /* preferred D_ID */ 668 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 669 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */ 670 uint32_t fc_edtov; /* E_D_TOV timer value */ 671 uint32_t fc_arbtov; /* ARB_TOV timer value */ 672 uint32_t fc_ratov; /* R_A_TOV timer value */ 673 uint32_t fc_rttov; /* R_T_TOV timer value */ 674 uint32_t fc_altov; /* AL_TOV timer value */ 675 uint32_t fc_crtov; /* C_R_TOV timer value */ 676 uint32_t fc_citov; /* C_I_TOV timer value */ 677 678 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 679 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 680 681 uint32_t lmt; 682 683 uint32_t fc_topology; /* link topology, from LINK INIT */ 684 uint32_t fc_topology_changed; /* link topology, from LINK INIT */ 685 686 struct lpfc_stats fc_stat; 687 688 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 689 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 690 691 uint8_t wwnn[8]; 692 uint8_t wwpn[8]; 693 uint32_t RandomData[7]; 694 695 /* HBA Config Parameters */ 696 uint32_t cfg_ack0; 697 uint32_t cfg_enable_npiv; 698 uint32_t cfg_enable_rrq; 699 uint32_t cfg_topology; 700 uint32_t cfg_link_speed; 701 #define LPFC_FCF_FOV 1 /* Fast fcf failover */ 702 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */ 703 uint32_t cfg_fcf_failover_policy; 704 uint32_t cfg_fcp_io_sched; 705 uint32_t cfg_fcp2_no_tgt_reset; 706 uint32_t cfg_cr_delay; 707 uint32_t cfg_cr_count; 708 uint32_t cfg_multi_ring_support; 709 uint32_t cfg_multi_ring_rctl; 710 uint32_t cfg_multi_ring_type; 711 uint32_t cfg_poll; 712 uint32_t cfg_poll_tmo; 713 uint32_t cfg_task_mgmt_tmo; 714 uint32_t cfg_use_msi; 715 uint32_t cfg_fcp_imax; 716 uint32_t cfg_fcp_cpu_map; 717 uint32_t cfg_fcp_io_channel; 718 uint32_t cfg_total_seg_cnt; 719 uint32_t cfg_sg_seg_cnt; 720 uint32_t cfg_prot_sg_seg_cnt; 721 uint32_t cfg_sg_dma_buf_size; 722 uint64_t cfg_soft_wwnn; 723 uint64_t cfg_soft_wwpn; 724 uint32_t cfg_hba_queue_depth; 725 uint32_t cfg_enable_hba_reset; 726 uint32_t cfg_enable_hba_heartbeat; 727 uint32_t cfg_fof; 728 uint32_t cfg_EnableXLane; 729 uint8_t cfg_oas_tgt_wwpn[8]; 730 uint8_t cfg_oas_vpt_wwpn[8]; 731 uint32_t cfg_oas_lun_state; 732 #define OAS_LUN_ENABLE 1 733 #define OAS_LUN_DISABLE 0 734 uint32_t cfg_oas_lun_status; 735 #define OAS_LUN_STATUS_EXISTS 0x01 736 uint32_t cfg_oas_flags; 737 #define OAS_FIND_ANY_VPORT 0x01 738 #define OAS_FIND_ANY_TARGET 0x02 739 #define OAS_LUN_VALID 0x04 740 uint32_t cfg_XLanePriority; 741 uint32_t cfg_enable_bg; 742 uint32_t cfg_hostmem_hgp; 743 uint32_t cfg_log_verbose; 744 uint32_t cfg_aer_support; 745 uint32_t cfg_sriov_nr_virtfn; 746 uint32_t cfg_request_firmware_upgrade; 747 uint32_t cfg_iocb_cnt; 748 uint32_t cfg_suppress_link_up; 749 uint32_t cfg_rrq_xri_bitmap_sz; 750 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */ 751 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */ 752 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */ 753 uint32_t cfg_enable_dss; 754 lpfc_vpd_t vpd; /* vital product data */ 755 756 struct pci_dev *pcidev; 757 struct list_head work_list; 758 uint32_t work_ha; /* Host Attention Bits for WT */ 759 uint32_t work_ha_mask; /* HA Bits owned by WT */ 760 uint32_t work_hs; /* HS stored in case of ERRAT */ 761 uint32_t work_status[2]; /* Extra status from SLIM */ 762 763 wait_queue_head_t work_waitq; 764 struct task_struct *worker_thread; 765 unsigned long data_flags; 766 767 uint32_t hbq_in_use; /* HBQs in use flag */ 768 struct list_head rb_pend_list; /* Received buffers to be processed */ 769 uint32_t hbq_count; /* Count of configured HBQs */ 770 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 771 772 atomic_t fcp_qidx; /* next work queue to post work to */ 773 774 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ 775 unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */ 776 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ 777 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 778 PCI BAR0 */ 779 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 780 PCI BAR2 */ 781 782 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for 783 PCI BAR0 with dual-ULP support */ 784 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for 785 PCI BAR2 with dual-ULP support */ 786 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for 787 PCI BAR4 with dual-ULP support */ 788 #define PCI_64BIT_BAR0 0 789 #define PCI_64BIT_BAR2 2 790 #define PCI_64BIT_BAR4 4 791 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 792 void __iomem *HAregaddr; /* virtual address for host attn reg */ 793 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 794 void __iomem *HSregaddr; /* virtual address for host status 795 reg */ 796 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 797 798 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 799 struct lpfc_pgp *port_gp; 800 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 801 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 802 803 int brd_no; /* FC board number */ 804 char SerialNumber[32]; /* adapter Serial Number */ 805 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 806 char ModelDesc[256]; /* Model Description */ 807 char ModelName[80]; /* Model Name */ 808 char ProgramType[256]; /* Program Type */ 809 char Port[20]; /* Port No */ 810 uint8_t vpd_flag; /* VPD data flag */ 811 812 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 813 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 814 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 815 #define VPD_PORT 0x8 /* valid vpd port data */ 816 #define VPD_MASK 0xf /* mask for any vpd data */ 817 818 uint8_t soft_wwn_enable; 819 820 struct timer_list fcp_poll_timer; 821 struct timer_list eratt_poll; 822 823 /* 824 * stat counters 825 */ 826 uint64_t fc4InputRequests; 827 uint64_t fc4OutputRequests; 828 uint64_t fc4ControlRequests; 829 uint64_t bg_guard_err_cnt; 830 uint64_t bg_apptag_err_cnt; 831 uint64_t bg_reftag_err_cnt; 832 833 /* fastpath list. */ 834 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ 835 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ 836 struct list_head lpfc_scsi_buf_list_get; 837 struct list_head lpfc_scsi_buf_list_put; 838 uint32_t total_scsi_bufs; 839 struct list_head lpfc_iocb_list; 840 uint32_t total_iocbq_bufs; 841 struct list_head active_rrq_list; 842 spinlock_t hbalock; 843 844 /* pci_mem_pools */ 845 struct pci_pool *lpfc_scsi_dma_buf_pool; 846 struct pci_pool *lpfc_mbuf_pool; 847 struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */ 848 struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */ 849 struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ 850 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 851 852 mempool_t *mbox_mem_pool; 853 mempool_t *nlp_mem_pool; 854 mempool_t *rrq_pool; 855 mempool_t *active_rrq_pool; 856 857 struct fc_host_statistics link_stats; 858 enum intr_type_t intr_type; 859 uint32_t intr_mode; 860 #define LPFC_INTR_ERROR 0xFFFFFFFF 861 struct msix_entry msix_entries[LPFC_MSIX_VECTORS]; 862 863 struct list_head port_list; 864 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 865 uint16_t max_vpi; /* Maximum virtual nports */ 866 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ 867 uint16_t max_vports; /* 868 * For IOV HBAs max_vpi can change 869 * after a reset. max_vports is max 870 * number of vports present. This can 871 * be greater than max_vpi. 872 */ 873 uint16_t vpi_base; 874 uint16_t vfi_base; 875 unsigned long *vpi_bmask; /* vpi allocation table */ 876 uint16_t *vpi_ids; 877 uint16_t vpi_count; 878 struct list_head lpfc_vpi_blk_list; 879 880 /* Data structure used by fabric iocb scheduler */ 881 struct list_head fabric_iocb_list; 882 atomic_t fabric_iocb_count; 883 struct timer_list fabric_block_timer; 884 unsigned long bit_flags; 885 #define FABRIC_COMANDS_BLOCKED 0 886 atomic_t num_rsrc_err; 887 atomic_t num_cmd_success; 888 unsigned long last_rsrc_error_time; 889 unsigned long last_ramp_down_time; 890 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 891 struct dentry *hba_debugfs_root; 892 atomic_t debugfs_vport_count; 893 struct dentry *debug_hbqinfo; 894 struct dentry *debug_dumpHostSlim; 895 struct dentry *debug_dumpHBASlim; 896 struct dentry *debug_dumpData; /* BlockGuard BPL */ 897 struct dentry *debug_dumpDif; /* BlockGuard BPL */ 898 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */ 899 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */ 900 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */ 901 struct dentry *debug_writeGuard; /* inject write guard_tag errors */ 902 struct dentry *debug_writeApp; /* inject write app_tag errors */ 903 struct dentry *debug_writeRef; /* inject write ref_tag errors */ 904 struct dentry *debug_readGuard; /* inject read guard_tag errors */ 905 struct dentry *debug_readApp; /* inject read app_tag errors */ 906 struct dentry *debug_readRef; /* inject read ref_tag errors */ 907 908 /* T10 DIF error injection */ 909 uint32_t lpfc_injerr_wgrd_cnt; 910 uint32_t lpfc_injerr_wapp_cnt; 911 uint32_t lpfc_injerr_wref_cnt; 912 uint32_t lpfc_injerr_rgrd_cnt; 913 uint32_t lpfc_injerr_rapp_cnt; 914 uint32_t lpfc_injerr_rref_cnt; 915 uint32_t lpfc_injerr_nportid; 916 struct lpfc_name lpfc_injerr_wwpn; 917 sector_t lpfc_injerr_lba; 918 #define LPFC_INJERR_LBA_OFF (sector_t)(-1) 919 920 struct dentry *debug_slow_ring_trc; 921 struct lpfc_debugfs_trc *slow_ring_trc; 922 atomic_t slow_ring_trc_cnt; 923 /* iDiag debugfs sub-directory */ 924 struct dentry *idiag_root; 925 struct dentry *idiag_pci_cfg; 926 struct dentry *idiag_bar_acc; 927 struct dentry *idiag_que_info; 928 struct dentry *idiag_que_acc; 929 struct dentry *idiag_drb_acc; 930 struct dentry *idiag_ctl_acc; 931 struct dentry *idiag_mbx_acc; 932 struct dentry *idiag_ext_acc; 933 #endif 934 935 /* Used for deferred freeing of ELS data buffers */ 936 struct list_head elsbuf; 937 int elsbuf_cnt; 938 int elsbuf_prev_cnt; 939 940 uint8_t temp_sensor_support; 941 /* Fields used for heart beat. */ 942 unsigned long last_completion_time; 943 unsigned long skipped_hb; 944 struct timer_list hb_tmofunc; 945 uint8_t hb_outstanding; 946 struct timer_list rrq_tmr; 947 enum hba_temp_state over_temp_state; 948 /* ndlp reference management */ 949 spinlock_t ndlp_lock; 950 /* 951 * Following bit will be set for all buffer tags which are not 952 * associated with any HBQ. 953 */ 954 #define QUE_BUFTAG_BIT (1<<31) 955 uint32_t buffer_tag_count; 956 int wait_4_mlo_maint_flg; 957 wait_queue_head_t wait_4_mlo_m_q; 958 /* data structure used for latency data collection */ 959 #define LPFC_NO_BUCKET 0 960 #define LPFC_LINEAR_BUCKET 1 961 #define LPFC_POWER2_BUCKET 2 962 uint8_t bucket_type; 963 uint32_t bucket_base; 964 uint32_t bucket_step; 965 966 /* Maximum number of events that can be outstanding at any time*/ 967 #define LPFC_MAX_EVT_COUNT 512 968 atomic_t fast_event_count; 969 uint32_t fcoe_eventtag; 970 uint32_t fcoe_eventtag_at_fcf_scan; 971 uint32_t fcoe_cvl_eventtag; 972 uint32_t fcoe_cvl_eventtag_attn; 973 struct lpfc_fcf fcf; 974 uint8_t fc_map[3]; 975 uint8_t valid_vlan; 976 uint16_t vlan_id; 977 struct list_head fcf_conn_rec_list; 978 979 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */ 980 struct list_head ct_ev_waiters; 981 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; 982 uint32_t ctx_idx; 983 984 uint8_t menlo_flag; /* menlo generic flags */ 985 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */ 986 uint32_t iocb_cnt; 987 uint32_t iocb_max; 988 atomic_t sdev_cnt; 989 uint8_t fips_spec_rev; 990 uint8_t fips_level; 991 spinlock_t devicelock; /* lock for luns list */ 992 mempool_t *device_data_mem_pool; 993 struct list_head luns; 994 }; 995 996 static inline struct Scsi_Host * 997 lpfc_shost_from_vport(struct lpfc_vport *vport) 998 { 999 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 1000 } 1001 1002 static inline void 1003 lpfc_set_loopback_flag(struct lpfc_hba *phba) 1004 { 1005 if (phba->cfg_topology == FLAGS_LOCAL_LB) 1006 phba->link_flag |= LS_LOOPBACK_MODE; 1007 else 1008 phba->link_flag &= ~LS_LOOPBACK_MODE; 1009 } 1010 1011 static inline int 1012 lpfc_is_link_up(struct lpfc_hba *phba) 1013 { 1014 return phba->link_state == LPFC_LINK_UP || 1015 phba->link_state == LPFC_CLEAR_LA || 1016 phba->link_state == LPFC_HBA_READY; 1017 } 1018 1019 static inline void 1020 lpfc_worker_wake_up(struct lpfc_hba *phba) 1021 { 1022 /* Set the lpfc data pending flag */ 1023 set_bit(LPFC_DATA_READY, &phba->data_flags); 1024 1025 /* Wake up worker thread */ 1026 wake_up(&phba->work_waitq); 1027 return; 1028 } 1029 1030 static inline int 1031 lpfc_readl(void __iomem *addr, uint32_t *data) 1032 { 1033 uint32_t temp; 1034 temp = readl(addr); 1035 if (temp == 0xffffffff) 1036 return -EIO; 1037 *data = temp; 1038 return 0; 1039 } 1040 1041 static inline int 1042 lpfc_sli_read_hs(struct lpfc_hba *phba) 1043 { 1044 /* 1045 * There was a link/board error. Read the status register to retrieve 1046 * the error event and process it. 1047 */ 1048 phba->sli.slistat.err_attn_event++; 1049 1050 /* Save status info and check for unplug error */ 1051 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) || 1052 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) || 1053 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) { 1054 return -EIO; 1055 } 1056 1057 /* Clear chip Host Attention error bit */ 1058 writel(HA_ERATT, phba->HAregaddr); 1059 readl(phba->HAregaddr); /* flush */ 1060 phba->pport->stopped = 1; 1061 1062 return 0; 1063 } 1064